Top Inventors at Pennzoil Products 1989
Showing 1–11 of 11 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | William J. Heilman | 1 |
| 1 | Paul J. DesLauriers | 1 |
| 1 | Alexandra B. Shortt | 1 |
| 1 | Arpad M. Magyar | 1 |
| 1 | Bruce E. Wilburn | 1 |
| 1 | Clifford G. Venier | 1 |
| 1 | D. V. Satyanarayana Gupta | 1 |
| 1 | Darrell W. Patton | 1 |
| 1 | Edward William Casserly | 1 |
| 1 | I-Ching Chiu | 1 |
| 1 | I. Ching Chiu | 1 |